Home / 5,231.16-7,219.05-2,873.35

Finding the Fourth Proportional to 5,231.16, 7,219.05 and 2,873.35

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Solution

The fourth proportional to 5,231.16, 7,219.05 and 2,873.35 is: 3,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.16 : 7,219.05 = 2,873.35 : x
  2. Step 2: Convert to fraction form
    5,231.16/7,219.05 = 2,873.35/x
  3. Step 3: Cross multiply
    5,231.16x = 7,219.05 × 2,873.35
  4. Step 4: Simplify right side
    5,231.16x = 20,742,839.27
  5. Step 5: Solve for x
    x = 20,742,839.27/5,231.16
  6. Step 6: Final answer
    x = 3,965.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.